The HTTP User-Agent request header is a characteristic string that lets servers and network peers identify the application, operating system, vendor, and/or version of the requesting user agent.
On the Web, a user agent is a software agent responsible for retrieving and facilitating end-user interaction with Web content. This includes all web browsers, such as Google Chrome and Safari, some email clients, standalone download managers like youtube-dl, and other command-line utilities ...
Find out your user agent string, browser, opera system, device and more with this tool. Learn what a user agent is and how it is used for feature detection and compatibility.
This extension is designed to shield your online privacy and make it super easy to appear as if you're browsing from different devices.
2025: List of User-Agent strings A comprehensive list of User Agent strings for the most popular devices in use today. It includes Android, iPhone, Windows, tablets, desktops, bots and crawlers, games consoles and more.
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With this extension, you can quickly and easily switch between user-agent strings. Also, you can set up specific URLs that you want to spoof every time.
The user agent or agent is the identifier or name with which a program logs in to the web server to request a document. The name is passed through the HTTP header.
The extension enables user-agent spoofing on specific domains only; it is conversely possible to exclude certain domains from spoofing. Check the Options page for more info. 5. You can set per-site user-agent strings 6. There is an option to randomize user-agent strings. 7.
It's a short, technical description of the web browser, operating system, (and maybe mobile device) that you're using as you access the internet. Your web browser sends it to every website you visit.
With this extension, you can quickly and easily switch between user-agent strings. Also, you can set up specific URLs that you want to spoof every time. Please note that this does not provide improved privacy while browsing the Internet and that some sites might have other means to figure out that the browser is not what it pretends to be.
User-agent checker instantly tells your browsers user agent. User-agent is the identifier which lets the server know what browser is requesting the resource or what operating system the request initiator uses.
A user-agent is a string of text, numbers, and symbols that specify the details of a client accessing a server.
A user agent, or UA, is a string of information that identifies a user’s browser and operating system. When you visit a website, your Internet browser sends information to the web page about your web browser, operating system, device, screen resolution, and more.
A user agent is a string of text that is sent by a web browser to a web server to identify itself and provide information about the browser's capabilities.
It allows you to choose from a very modest list of preloaded User Agents, as well as add save your own UAs for future use. As with the Chrome extension, changing the User Agent means the whole browsing experience changes. User Agent strings are passed in the HTTP request in which some browser and device specific information is conveyed.
Compare options and pricing Set Top Boxes User Agents Google ADT-2 Dalvik/2.1.0 (Linux; U; Android 9; ADT-2 Build/PTT5.181126.002) Chromecast Mozilla/5.0 (CrKey armv7l 1.5.16041) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.0 Safari/537.36 Roku Ultra Roku4640X/DVP-7.70 (297.70E04154A) Minix NEO X5 Mozilla/5.0 (Linux; U; Android 4.2.2; he-il; NEO-X5-116A Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30 Amazon AFTWMST22 Mozilla/5.0 (Linux; Android 9; AFTWMST22 Build/PS7233; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.152 Mobile
If you are the kind of person that uses different browsers or different devices to access websites, you may have noticed that many sites can look quite different depending on which browser you are using. When your browser sends a request to a website, it identifies itself with the user agent string before it retrieves the content you’ve requested.
The user agent string format is currently specified by section 10.1.5 of HTTP Semantics. The format of the user agent string in HTTP is a list of product tokens (keywords) with optional comments. For example, if a user's product were called WikiBrowser, their user agent string might be WikiBrowser/1.0 Gecko/1.0. The "most important" product component is listed first. The parts of this string ...
Oct 7, 2023 ... When using Chrome user-agent for example, does it break or affect some kind of functionality when visiting other sites?
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The HTTP header User-Agent is a request header that sends a characteristic string to web servers, allowing them to identify the Operating System (OS) and browser of the client making the request. Every time your browser connects to a website, it includes the User-Agent field in the HTTP header.
Useragents.me provides a self-updating list of user agents seen on the web across all device types, operating systems, and browsers. You can view, download, or get the list as JSON or TSV, and see the relative share of each user agent.
Apr 25, 2009 ... A user agent is simply the program that contacts the web server on behalf of the user. Majority of user agents are general purpose browsers.
Understand user agents, their role in bot detection, and how to customize them ethically for scraping and automation. Get tips and tools for testing in 2025.
The user-agent string was designed as a way for clients (web browsers, for example) to introduce themselves to servers. It enabled servers to deliver content optimized for different browsers or to understand the capabilities of the client requesting the information.
Aug 17, 2021 ... The GetBrowser() function detects Firefox and Chrome correctly, but it also returns 'chrome' when using it in Opera and Edge.
What is an user-agent? The User-Agent request-header field contains information about the user agent originating the request. This is for statistical purposes, the tracing of protocol violations, and automated recognition of user agents for the sake of tailoring responses to avoid particular user agent limitations.
Along with every request to a server, browsers include a User-Agent HTTP header with a value called a user agent (UA) string. This string is intended to identify the browser, its version number, and its host operating system.
This is a simple utility for users who want to discover the 'user-agent' given by the device by default - "Display browser User-Agent and other useful device info." Bloatware is an odd description for a 1.37MB app.
A user agent is any software that retrieves and presents Web content for end users or is implemented using Web technologies. User agents include Web browsers, media players, and plug-ins that help in retrieving, rendering and interacting with Web content.
A User-Agent is a small piece of text (a string) sent by your browser to a web server as part of an HTTP request header.